Now showing items 1-20 of 55

    • A competitive variable neighbourhood search algorithm for the blocking flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2013-12-23)
      Article
      Restricted access - publisher's policy
    • A discussion on the selection of prototypes for kansei engineering study 

      Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Schütte, Simon (2016)
      Conference report
      Restricted access - publisher's policy
      One of the steps in a kansei engineering study is the evaluation of prototypes by users. Usually, the participants in the study give ratings to each one of the prototypes either using a semantic differential method or a ...
    • A maturity model for the information-driven SME 

      Parra, Xileidys; Tort-Martorell Llabrés, Xavier; Ruiz Viñals, Carmen; Álvarez Gómez, Fernando (OmniaScience, 2019-04)
      Article
      Open Access
      Purpose: This article presents a maturity model for the evaluation of the information-driven decision-making process (DMP) in small and medium enterprises. This model is called “Simplified Holistic Approach to DMP Evaluation ...
    • Algoritmo para la elección de fracciones factoriales con óptima proyección 

      Tort-Martorell Llabrés, Xavier; Prat Bartés, Albert (Universitat Politècnica de Barcelona. Centre de Càlcul, 1986-06)
      Article
      Open Access
      En cualquier proceso industrial hay dos fases, diseño del producto y producción donde experimentos cuidadosamente diseñados pueden contribuir enormemente a aumentar la calidad del producto final. En ambos casos el interés ...
    • An approach to disaggregating total household water consumption into major end-uses 

      Fontdecaba Rigat, Sara; Sánchez Espigares, Josep Anton; Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Cabrespina, Francesc; Zubelzu, Jordi (2013-01-27)
      Article
      Restricted access - publisher's policy
      The aim of this project is to assign domestic water consumption to different devices based on the information provided by the water meter. We monitored a sample of Barcelona and Murcia with flow switches that recorded ...
    • An efficient discrete artificial bee colony algorithm for the blocking flow shop problem with total flowtime minimization 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2015-09-01)
      Article
      Open Access
      This paper presents a high performing Discrete Artificial Bee Colony algorithm for the blocking flow shop problem with flow time criterion. To develop the proposed algorithm, we considered four strategies for the food ...
    • An efficient hybrid iterated local search algorithm for the total tardiness blocking flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2012-09-04)
      Research report
      Open Access
      This paper deals with the blocking flow shop problem and proposes an Iterated Local Search (ILS) procedure combined with a variable neighbourhood search (VNS) for the total tardiness minimization. The proposed ILS makes ...
    • An efficient iterated local search algorithm for the total tardiness blocking flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (Taylor & Francis, 2013-04-27)
      Article
      Restricted access - publisher's policy
      This paper deals with the blocking flow shop problem and proposes an Iterated Local Search (ILS) procedure combined with a variable neighbourhood search (VNS) for the total tardiness minimisation. The proposed ILS makes ...
    • An iterated greedy algorithm for the parallel blocking flow shop scheduling problem and sequence-dependent setup times 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2021-07-08)
      Article
      Open Access
      This paper deals with the problem of scheduling jobs in a parallel flow shop configuration under the blocking constraint, in which the setup time of machines depends not only on the job to be processed but also on the ...
    • Application of Kansei Engineering to Design an Industrial Enclosure 

      Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier (2014)
      Conference report
      Open Access
      Kansei Engineering (KE) is a technique used to incorporate emotions in the product design process. Its basic purpose is discovering in which way some properties of a product convey certain emotions in its users. It is a ...
    • Assessment of information-driven decision-making in the SME 

      Parra Vivas, Xileidys; Tort-Martorell Llabrés, Xavier (2016)
      Conference report
      Open Access
      The use of analytics in decision -making processes is a key element for organizations to be competitive. However, experience indicates that many organizations still have not managed to fully understand how to use properly ...
    • BBVA: la innovación abierta en empresas de servicios 

      Ramis Pujol, Joan; Droege, Henning; Tort-Martorell Llabrés, Xavier (2013)
      Article
      Open Access
      La innovación abierta es un camino ideal para encontrar y desarrollar nuevas ideas. Una empresa de servicios, como una entidad financiera, también puede beneficiarse de ella, puesto que, por ejemplo, externalizando la ...
    • Blocking versus robustness in industrial contexts 

      Grima Cintas, Pedro; Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier (2017-01-01)
      Article
      Open Access
      The paper discusses the similarities and differences between blocking factors (blocked designs) and noise factors (robust designs) in industrial two-level factorial experiments. The discussion covers from the objectives ...
    • Business case of adopting corporate sustainability measures: a multi-study through a bibliometric research and literature review 

      Barroso del Toro, Alberto; Tort-Martorell Llabrés, Xavier; Canela, Miguel Angel (2021)
      Conference lecture
      Restricted access - publisher's policy
      Has invested in Corporate Sustainability a positive economic return? If so, where is it hitting? Are the benefits only attributable to the environment or also to the shareholders?. This research aims to write a state of ...
    • CHROMA: a maturity model for the information-driven decision-making process 

      Tort-Martorell Llabrés, Xavier; Parra, Xileidys (2017)
      Article
      Restricted access - publisher's policy
      A novel maturity model for the information-driven decision-making process (DMP) in organisations is presented. The 'circumplex hierarchical representation of organisation maturity assessment' (CHROMA) model was developed ...
    • Chronological evolution of the information-driven decision-making process (1950–2020) 

      Parra, Xileidys; Tort-Martorell Llabrés, Xavier; Álvarez Gómez, Fernando; Ruiz Viñals, Carmen (Springer, 2022-03-01)
      Article
      Open Access
      The decision-making process (DMP) is essential in organizations and has changed due to multidisciplinary research, greatly infuenced by the progress in information technologies and computational science. This work’s objective ...
    • Comparing three-step heuristics for the permutation flow shop problem 

      Ribas Vila, Immaculada; Companys Pascual, Ramón; Tort-Martorell Llabrés, Xavier (2010-03-03)
      Article
      Restricted access - publisher's policy
      In this paper a three steps heuristic for the permutation flow shop problem is proposed. The objective is to minimize the maximum time for completing the jobs, or the makespan. The first two steps are inspired by the NEH ...
    • Consequences of using estimated response values from negligible interactions in factorial designs 

      Xampeny Solaní, Rafael; Grima Cintas, Pedro; Tort-Martorell Llabrés, Xavier (2018-12-21)
      Article
      Open Access
      This article analyzes the increase in the probability of committing type I and type II errors in assessing the significance of the effects when some properly selected runs have not been carried out and their responses have ...
    • Considering the risk of ignoring active factors in industrial experiments 

      Grima Cintas, Pedro; Rodero de Lamo, Lourdes; Tort-Martorell Llabrés, Xavier (2021-07-01)
      Article
      Open Access
      This article draws attention to the importance of considering type II error in Design of Experiments contexts and shows, through two examples, an easy way to do that.
    • Development of an open application for teaching statistics: conception and results 

      Serrahima de Cambra, Eduard; Marco Almagro, Lluís; Tort-Martorell Llabrés, Xavier; Grima Cintas, Pedro; Rodero de Lamo, Lourdes (2015)
      Conference report
      Open Access
      Different commercial statistical software packages exist that are appropriate for teaching statistics. However, free alternatives are scarce, and those existing suffer from problems (such as difficult installations and ...